--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/project_files/frontlib/util/inihelper.c	Sat Jun 09 03:28:38 2012 +0200
@@ -0,0 +1,168 @@
+#include "inihelper.h"
+#include "logging.h"
+#include "util.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <limits.h>
+#include <errno.h>
+#include <stdarg.h>
+
+static bool keychar_needs_urlencoding(char c) {
+	return !isalnum(c);
+}
+
+char *inihelper_urlencode(const char *inbuf) {
+	if(!inbuf) {
+		return NULL;
+	}
+	size_t insize = strlen(inbuf);
+	if(insize > SIZE_MAX/4) {
+		return NULL;
+	}
+
+	char *outbuf = malloc(insize*3+1);
+	if(!outbuf) {
+		return NULL;
+	}
+
+    size_t inpos = 0, outpos = 0;
+    while(inbuf[inpos]) {
+        if(!keychar_needs_urlencoding(inbuf[inpos])) {
+        	outbuf[outpos++] = inbuf[inpos++];
+        } else {
+            if(snprintf(outbuf+outpos, 4, "%%%02X", (unsigned)((uint8_t*)inbuf)[inpos])<0) {
+            	free(outbuf);
+            	return NULL;
+            }
+            inpos++;
+            outpos += 3;
+        }
+    }
+    outbuf[outpos] = 0;
+    return outbuf;
+}
+
+char *inihelper_urldecode(const char *inbuf) {
+	char *outbuf = malloc(strlen(inbuf)+1);
+	if(!outbuf) {
+		return NULL;
+	}
+
+    size_t inpos = 0, outpos = 0;
+    while(inbuf[inpos]) {
+        if(inbuf[inpos] == '%' && isxdigit(inbuf[inpos+1]) && isxdigit(inbuf[inpos+2])) {
+            char temp[3] = {inbuf[inpos+1],inbuf[inpos+2],0};
+            outbuf[outpos++] = strtol(temp, NULL, 16);
+            inpos += 3;
+        } else {
+        	outbuf[outpos++] = inbuf[inpos++];
+        }
+    }
+    outbuf[outpos] = 0;
+    return outbuf;
+}
+
+char *inihelper_createDictKey(const char *sectionName, const char *keyName) {
+	if(!sectionName || !keyName) {
+		return NULL;
+	}
+	return flib_asprintf("%s:%s", sectionName, keyName);
+}
+
+char *inihelper_getstring(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {
+	if(!inifile || !sectionName || !keyName) {
+		*error = true;
+		return NULL;
+	}
+	char *extendedkey = inihelper_createDictKey(sectionName, keyName);
+	if(!extendedkey) {
+		*error = true;
+		return NULL;
+	}
+	char *result = iniparser_getstring(inifile, extendedkey, NULL);
+	free(extendedkey);
+	if(!result) {
+		flib_log_i("Missing ini setting: %s/%s", sectionName, keyName);
+		*error = true;
+	}
+	return result;
+}
+
+char *inihelper_getstringdup(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {
+	return flib_strdupnull(inihelper_getstring(inifile, error, sectionName, keyName));
+}
+
+int inihelper_getint(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {
+	char *value = inihelper_getstring(inifile, error, sectionName, keyName);
+	if(!value) {
+		return 0;
+	} else {
+		errno = 0;
+		long val = strtol(value, NULL, 10);
+		if(errno!=0) {
+			*error = true;
+			return 0;
+		}
+		if(val<INT_MIN || val>INT_MAX) {
+			*error = true;
+			return 0;
+		}
+		return (int)val;
+	}
+}
+
+bool inihelper_getbool(dictionary *inifile, bool *error, const char *sectionName, const char *keyName) {
+	char *value = inihelper_getstring(inifile, error, sectionName, keyName);
+	if(!value) {
+		return false;
+	} else {
+		bool trueval = strchr("1tTyY", value[0]);
+		bool falseval = strchr("0fFnN", value[0]);
+		if(!trueval && !falseval) {
+			*error = true;
+			return false;
+		} else {
+			return trueval;
+		}
+	}
+}
+
+int inihelper_setstr(dictionary *dict, const char *sectionName, const char *keyName, const char *value) {
+	int result = -1;
+	if(!dict || !sectionName || !keyName || !value) {
+		flib_log_e("inihelper_setstr called with bad parameters");
+	} else {
+		char *extendedkey = inihelper_createDictKey(sectionName, keyName);
+		if(extendedkey) {
+			result = iniparser_set(dict, extendedkey, value);
+			free(extendedkey);
+		}
+	}
+	return result;
+}
+
+int inihelper_setint(dictionary *dict, const char *sectionName, const char *keyName, int value) {
+	int result = -1;
+	if(!dict || !sectionName || !keyName) {
+		flib_log_e("inihelper_setint called with bad parameters");
+	} else {
+		char *strvalue = flib_asprintf("%i", value);
+		if(strvalue) {
+			result = inihelper_setstr(dict, sectionName, keyName, strvalue);
+			free(strvalue);
+		}
+	}
+	return result;
+}
+
+int inihelper_setbool(dictionary *dict, const char *sectionName, const char *keyName, bool value) {
+	int result = -1;
+	if(!dict || !sectionName || !keyName) {
+		flib_log_e("inihelper_setint called with bad parameters");
+	} else {
+		result = inihelper_setstr(dict, sectionName, keyName, value ? "true" : "false");
+	}
+	return result;
+}